One pinion drives the axis (the "grasp") whilst the 2nd pinion is "preloaded" to eliminate the backlash (the "slave"). The preload is made electronically using a Distinctive motor controller; these techniques will also be build to generate alongside one another during cycle occasions when backlash is just not critical. Two https://gearbox-cvt83680.tinyblogging.com/what-does-gearbox-cvt-mean-76359453